Keeping space in TEMPFILEPREFIX

Hello,

I'm currently using SCons (3.0.1) to build some embedded Software under Windows, using IAR compiler.
I can have quite long command lines and my compiler handles extending the command line by file therefore I use TEMPFILE for that purpose.

Thing is, the compiler guide says the following on this option :
Syntax -f filename
Parameters See Rules for specifying a filename or directory as parameters, page 250.
Description Use this option to make the compiler read command line options from the named file[...]

Please note that there is a space between "-f" and the file name.

When I register env['TEMPFILEPREFIX'] to '-f ' (with space), it becomes '-f' after substitution.
in SCons\Platform\__init__.py at line 215
prefix = env.subst('$TEMPFILEPREFIX')

Which leads to final executed command :
> iccarm.exe -fc:\users\[…]\appdata\local\temp\tmpljsbed.lnk

Is there any way I can specify things to maintain this space in generated command line ?
(I managed to re-implement TempFileMunge class to do that, but then I loose recursive substitution).

I am willing to make some contributions if needed but it seems the mailing list is the place to start !

Best regards,


Thibaut ZEISSLOFF
Software Engineer
Electronics Service
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